What is your minimum order quantity?

The minimum order quantity is 1 Kg.

Are you an ISO certified manufacturer?

Yes, we are an ISO-certified fastener manufacturer established in 2009, located in Ningbo, China.

High-Performance Hexagon Fasteners - Grade a, 250 Hv Hardness

Name: High-Performance Hexagon Fasteners - Grade a, 250 Hv Hardness
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2191899875

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.03

10-4,999 Pieces

US$0.02

5,000-99,999 Pieces

US$0.01

100,000+ Pieces

Product profile

Customization

Available

Type

Plain Washers

Material

Brass

Model NO.

DIN 125

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Plain Washers

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Flexible Customization: Full customization available from samples or designs with flexible options.

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous two-stage quality assurance.

Free Sample Availability: Free standard samples (1-3 pcs) available; cost refundable upon bulk order.

Diverse Finishing Options: Offers Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain finishes.

Wide Material Selection: Manufactured using Carbon steel and Stainless steel to meet various requirements.

Global Market Experience: Serving clients across North America, Europe, Asia, and other global regions for 15 years.

Comprehensive Product Range: Includes hex bolts, machine screws, locking nuts, washers, and solar mounting systems.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union with negotiable terms for bulk orders.

Company profile

High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.96h

AI-Powered supplier vetting

SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.

R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.

Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:Can you provide samples?

Free samples (1-3 pcs standard specification) are available. Express shipping via DHL/UPS/FedEx is supported. Customized samples take 15 working days. Sample cost is refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against Bill of Lading. For orders under $1,000 USD, full advance payment is recommended. We also accept SWIFT transfer, LC at sight, D/P, PayPal, and Western Union.

Q:Do you offer customization services?

Yes, we offer flexible customization including full customization from samples or designs. We can produce non-standard parts and fasteners according to specific customer requirements.

Q:What is the delivery time?

Normally, delivery takes 30-40 days. During peak season, the lead time is one month, while off-season lead time is also one month.

Q:What materials are used for these fasteners?

Our products are manufactured using Carbon steel and Stainless steel, available in various finishes like Zinc Plated, Hot Dip Galvanized, and Black Oxide.